What does the equipment disconnecting means need to comply with when isolating PV system equipment?

The correct answer focuses on the requirements set forth for disconnecting means in photovoltaic (PV) systems as specified in NEC Article 690. Specifically, 690.15(C) addresses the necessary considerations for equipment disconnecting means that isolate PV system equipment. This section outlines that the disconnecting means must be readily accessible, clearly marked, and suitable for the voltage and current rating of the system.

When designing or installing a PV system, it is crucial that the disconnecting means can effectively isolate the system for maintenance and safety purposes. The requirements in 690.15(C) ensure that those handling the equipment can do so with a clear understanding of how to safely disconnect the system from the electrical grid or other energy sources.

The standards set in this subsection also align with safety protocols that protect both technicians and individuals who may be interacting with the system. Accessibility, clear marking, and appropriate ratings contribute to the operational integrity and safety of the entire photovoltaic setup.